PROBLEM TO BE SOLVED: To enhance safety at the time of runaway of a battery.SOLUTION: A temperature control device of a battery for controlling the temperature of a battery cell 4 incorporated in a battery pack 2, by passing air from an introduction duct 6 provided in the battery pack 2 to an exhaust port 7, includes a cooling fan 10 for supplying air from the introduction duct 6 side into the battery pack 2, an exhaust valve 12 for opening and closing the exhaust port 7, a temperature sensor 21 for detecting thermal runaway by the temperature of the battery cell 4, and a cell management unit 20 for stopping air supply into the battery pack 2 by means of the cooling fan 10, when the temperature indicating thermal runaway is detected by means of a temperature sensor 21, opening the exhaust port 7 by means of the exhaust valve 12, and operating the cooling fan 10 after the cooling fan 10 is stopped and a predetermined time Tfs has elapsed after the exhaust port 7 is opened.SELECTED DRAWING: Figure 1
【課題】電池の熱暴走時の安全性を向上させる。【解決手段】電池パック2に備えられた導入ダクト6から排気口7に空気を通過させて、電池パック2に内蔵された電池セル4を温調する電池の温調装置であって、導入ダクト6側から電池パック2内に空気を供給する冷却ファン10と、排気口7を開閉する排気弁12と、電池セル4の温度により熱暴走を検出する温度センサ21と、温度センサ21により熱暴走である温度が検出された際に、冷却ファン10による電池パック2内への空気の供給を停止させるとともに、排気弁12により排気口7を開口させ、冷却ファン10の停止及び排気口7の開口から所定時間Tfs経過した後に、冷却ファン10を作動させるセルマネジメントユニット20と、を備える。【選択図】図1
TEMPERATURE CONTROL DEVICE OF BATTERY
電池の温調装置
2016-02-01
Patent
Elektronische Ressource
Japanisch
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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